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The MSB550 series uses heavy duty aluminum extrusion and metal caps. The mounting assembly is all metal, and no plastic. The rigid construction prevents any malfunction due to sagging or warped doors or tweaked glass door stiles. With a maximum total bar movement of only 1/8”, trigger activation to release the electromagnetic lock is quick and quiet.
Building codes essentially state that egress through access-controlled doors must not require prior knowledge of operational requirements. Meeting this criterion, SDC’s MSB550 is designed to release electromagnetic door locks for uninhibited egress. When slight pressure is applied a microswitch is actuated, immediately releasing the electromagnetic door lock. The MSB550 series bars are an economical alternative to sensor activated bars.
MODELS
MSB550 Mechanical Switch Bar
MSB550-2 Dual Mechanical Switch Bar
MSB550-2W Dual Mechanical Switch Bar, Weatherized
STANDARD FEATURES
• 1/8” total bar movement
• Quick and quiet operation
• Heavy duty aluminum extrusion
• Metal end caps
• High traffic use
• Narrow, low-profile
• One output
• Power transfer loop included (PT-2U)
• Easy installation and troubleshooting
• Additional switch for dual-failsafe redundant operation, alarm shunt or monitoring output*
• Weather resistant, water sealed switches for outdoor use**
* MSB550-2 and MSB550-2W models only.
** MSB550-2W models only.
Certification
- UL 294 Access Control System Units
- UL 1034 Burglary-Resistant Electric Locking Mechanisms
- CSFM Listed 3625-0324:105
Resources
Manufacturer Resources
Product Specs
- Category:
- Exit Devices and Trim
- Series:
- MSB550 Series
- Projection:
- 1-7/8"
- Product Group:
- Exit Devices and Trim
- Product Subgroup:
- Exit Devices - Rim
- Product Type:
- Exit Devices - Rim
- Subcategory:
- Rim Exit Devices
- Commercial/Residential:
- Commercial
- Stile Type:
- Narrow or Wide Stile
- Fire Rated:
- No
- Wood Door Compatible:
- No
- Product Model:
- MSB550, MSB550-2, MSB550-2W
- Product Size:
- 48"